What does ESC stand for in GM spark control?

What does ESC stand for in GM spark control?

ESC is used to sense spark knock (pinging) and GM Code 43 Electronic Spark Control Fault Trouble Codes› GM OBD Trouble Codes› GM Code 43 CODE 43 – Electronic Spark Control Fault Trouble Code 43 indicates that there may be a malfunction in the Electronic Spark Control (ESC)circuit.

What does trouble code 43 on an ESC mean?

Trouble Code 43 indicates that there may be a malfunction in the Electronic Spark Control (ESC) circuit. ESC is used to sense spark knock (pinging) and retard the timing to eliminate it.

What kind of ignition system does a 1993 Chevy pick up have?

1992, 1993, 1994, 1995 Chevrolet/GMC 1500, 2500, and 3500 Pick Up and Suburban equipped with a 4.3L V6, or a 5.0L v8, or a 5.8L V8 engine. 1992, 1993, 1994, 1995 Chevrolet Astro (GMC Safari). NOTE: Testing the ignition system is a breeze.

What kind of ignition system does a GMC Suburban have?

The typical ignition system circuit diagram for the 1996-1999 4.3L, 5.0L, and 5.7L 1500, 2500, 3500 Pick Up and Suburban can be found here: Ignition System Circuit Diagram (1996-1999 Chevy/GMC Pick Up And SUV). Testing a no-start problem or a misfire due to an ignition system problem is not hard.

What happens when an ESC module goes bad?

Car not starting or engine not sparking Another common symptom of a faulty ESC module is a no start, or no spark condition. The ESC module is one of the components that directly controls engine spark, so if it fails, it can leave the vehicle without spark. A vehicle without spark may still crank, but will not be able to start or run.

How does a GM Electronic spark control module work?

This module is essentially a small computer, and can determine the exact location of the engine knock. The control module can then adjust the timing of the engine to compensate and eliminate the vibration. Often, compensating for an engine knock requires engine timing to be slowed, leading to a temporary reduction in power.